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[avr-gcc-list] Can someone benchmark this option please

From: Andy H
Subject: [avr-gcc-list] Can someone benchmark this option please
Date: Tue, 22 Jul 2008 20:40:08 -0400
User-agent: Thunderbird (Windows/20080421)


I have noted problem where gcc is optimizing if-then-else constructs - with disastrous results. For example:

if (a  >= 0)
 return 8;
return 0;

(This is now reported as bug.)

Can folks try the following gcc option


on their own code at -Os optimization, and see if this produce better/worse or same code? This will help figure if the whole pass should be skipped - or whether it still contains useful optimizations.


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